Five things that change so quickly they are easy to observe

What element breaks down into yttrium-90?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Gwhich r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? which r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? −ch2−oh −ch2−o||c−nh2 −ch2−coo− −ch2−ch2−ch2−ch2−n+h3